./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s1liff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s1liff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2cf9971e18a415ddff0bf16dd0497739764eac6d8bbf4426dbfc6f94479474e2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:19,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:19,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:19,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:19,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:19,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:19,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:19,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:19,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:19,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:19,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:19,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:19,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:20,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:20,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:20,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:20,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:20,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:20,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:20,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:20,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:20,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:20,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:20,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:20,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:20,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:20,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:20,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:20,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:20,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:20,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:20,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:20,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:20,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:20,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:20,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:20,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:20,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:20,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:20,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:20,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:20,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:20,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:20,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:20,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:20,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:20,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:20,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:20,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:20,110 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:20,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:20,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:20,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:20,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:20,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:20,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:20,111 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:20,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:20,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:20,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:20,112 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:20,112 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:20,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:20,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:20,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:20,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:20,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:20,114 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:20,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:20,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:20,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cf9971e18a415ddff0bf16dd0497739764eac6d8bbf4426dbfc6f94479474e2 [2022-10-17 17:04:20,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:20,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:20,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:20,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:20,427 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:20,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/s1liff.c [2022-10-17 17:04:20,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/data/5ae5c71b3/b63155116dde4c52b84355774ba5f1d8/FLAGbdc510ab4 [2022-10-17 17:04:20,998 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:20,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/sv-benchmarks/c/array-fpi/s1liff.c [2022-10-17 17:04:21,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/data/5ae5c71b3/b63155116dde4c52b84355774ba5f1d8/FLAGbdc510ab4 [2022-10-17 17:04:21,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/data/5ae5c71b3/b63155116dde4c52b84355774ba5f1d8 [2022-10-17 17:04:21,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:21,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:21,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:21,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:21,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:21,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7247b7e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21, skipping insertion in model container [2022-10-17 17:04:21,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:21,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:21,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/sv-benchmarks/c/array-fpi/s1liff.c[589,602] [2022-10-17 17:04:21,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:21,583 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:21,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/sv-benchmarks/c/array-fpi/s1liff.c[589,602] [2022-10-17 17:04:21,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:21,616 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:21,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21 WrapperNode [2022-10-17 17:04:21,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:21,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:21,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:21,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:21,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,679 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2022-10-17 17:04:21,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:21,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:21,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:21,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:21,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,702 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:21,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:21,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:21,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:21,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:21" (1/1) ... [2022-10-17 17:04:21,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:21,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:21,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:21,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:21,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:04:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:04:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:21,848 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:21,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:22,031 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:22,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:22,140 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:04:22,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:22 BoogieIcfgContainer [2022-10-17 17:04:22,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:22,144 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:22,144 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:22,154 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:22,154 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:22" (1/1) ... [2022-10-17 17:04:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 17:04:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 17:04:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:04:22,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:22,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:04:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 17:04:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 17:04:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:04:22,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:22,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:04:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 17:04:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 17:04:23,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:04:23,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 17:04:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 17:04:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:04:23,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:23,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:04:23,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:04:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:04:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:04:23,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:04:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:04:23,500 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 17:04:23,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:04:23 ImpRootNode [2022-10-17 17:04:23,533 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:04:23,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:04:23,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:04:23,535 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:04:23,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:22" (3/4) ... [2022-10-17 17:04:23,537 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:04:23,584 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3db7a5e-683f-4158-8f37-3898b5a56626/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:04:23,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:04:23,585 INFO L158 Benchmark]: Toolchain (without parser) took 2230.86ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 81.8MB in the end (delta: 245.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:23,586 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 119.5MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:23,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.56ms. Allocated memory is still 119.5MB. Free memory was 81.8MB in the beginning and 94.5MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:04:23,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.24ms. Allocated memory is still 119.5MB. Free memory was 94.5MB in the beginning and 93.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:23,588 INFO L158 Benchmark]: Boogie Preprocessor took 26.31ms. Allocated memory is still 119.5MB. Free memory was 92.7MB in the beginning and 91.8MB in the end (delta: 987.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:23,588 INFO L158 Benchmark]: RCFGBuilder took 436.02ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 76.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:04:23,589 INFO L158 Benchmark]: CodeCheck took 1389.57ms. Allocated memory is still 119.5MB. Free memory was 76.7MB in the beginning and 83.9MB in the end (delta: -7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:23,590 INFO L158 Benchmark]: Witness Printer took 50.34ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:23,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 12 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = N [L32] i=0 VAL [a={-1:0}, i=0, N=1, sum={4:0}] [L32] COND TRUE i